package com.copa.l709;

/**
 * @author copa
 * @createDate 2022-09-02 12:17
 * @function api调用
 */
public class Test1 {

    public String toLowerCase(String s) {
        return s.toLowerCase();
    }

    public static void main(String[] args) {
        String s = "Hello";
        System.out.println(new Test1().toLowerCase(s));
    }
}
